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PLM RamHorn 4-1 Header w/ Test Pipe - B-series

PLM Power Driven RH (RamHorn) B-series 4-1 header features a true 4-1 merge collector for more  equal exhaust flow. This header delivers the best peak horsepower gains while utilizing a 2 piece design. This is ideal for all forms of competition; Autocross, Drag racing and road racing. Includes test pipe!

Designed for 1.8L-2.0L engine displacement.


  • Made from 18-gauge 304 brushed stainless steel
  • True 2.5" collector outlet
  • Hand TIG welded
  • A/C and P/S compatible (slim fan required!)
  • CNC-ed machined manifold flange
  • One year warranty
  • Measures at .049" to .050"
  • OEM spec header gasket
  • OEM spec donut gasket
  • Two piece design
  • Test pipe included
  • Half core radiator must be used

PLM RamHorn 4-1 Header w/ Test Pipe - B-series

Regular price Sale $310.00 Sale price MSRP $400.00
Free Shipping
Free standard shipping applies to this item within the continental United States. Orders shipped to Alaska, Hawaii, Virgin Islands, Canada, Puerto Rico, Guam, and PO/APO/FPO boxes are subject to additional shipping charges.
Ships: 1-5 business days
This is an estimated ship date once your order is placed from JHPUSA. Ship dates do not include weekends and holidays.
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Cancer & Reproductive Harm
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